diff -u b/core/modules/content_translation/lib/Drupal/content_translation/Controller/ContentTranslationController.php b/core/modules/content_translation/lib/Drupal/content_translation/Controller/ContentTranslationController.php
--- b/core/modules/content_translation/lib/Drupal/content_translation/Controller/ContentTranslationController.php
+++ b/core/modules/content_translation/lib/Drupal/content_translation/Controller/ContentTranslationController.php
@@ -34,7 +34,7 @@
       $rel[$name] = $entity->getSystemPath($name);
     }
 
-    $header = array(t('Language'), t('Translation'), t('Source language'), t('Status'), t('Operations'));
+    $header = array($this->t('Language'), $this->t('Translation'), $this->t('Source language'), $this->t('Status'), t('Operations'));
     $rows = array();
 
     if ($this->languageManager()->isMultilingual()) {
@@ -76,12 +76,13 @@
           $row_title = l($label, $link['href'], $link);
 
           if (empty($link['href'])) {
-            $row_title = $is_original ? $label : t('n/a');
+            $row_title = $is_original ? $label : $this->t('n/a');
           }
 
-          // If the user is allowed to edit the entity we point the edit link to
-          // the entity form, otherwise if we are not dealing with the original
-          // language we point the link to the translation form.
+          // If the user is allowed to edit the entity we point the
+          // edit link to the entity form, otherwise if we are not
+          // dealing with the original language we point the link
+          // to the translation form.
           if ($entity->access('update')) {
             $links['edit'] = isset($edit_links->links[$langcode]['href']) ? $edit_links->links[$langcode] : array('href' => $rel['edit-form'], 'language' => $language);
           }
@@ -90,49 +91,49 @@
           }
 
           if (isset($links['edit'])) {
-            $links['edit']['title'] = t('Edit');
+            $links['edit']['title'] = $this->t('Edit');
           }
 
           $translation = $entity->translation[$langcode];
-          $status = !empty($translation['status']) ? t('Published') : t('Not published');
+          $status = !empty($translation['status']) ? $this->t('Published') : $this->t('Not published');
           // @todo Add a theming function here.
-          $status = '<span class="status">' . $status . '</span>' . (!empty($translation['outdated']) ? ' <span class="marker">' . t('outdated') . '</span>' : '');
+          $status = '<span class="status">' . $status . '</span>' . (!empty($translation['outdated']) ? ' <span class="marker">' . $this->t('outdated') . '</span>' : '');
 
           if ($is_original) {
-            $language_name = t('<strong>@language_name (Original language)</strong>', array('@language_name' => $language_name));
-            $source_name = t('n/a');
+            $language_name = $this->t('<strong>@language_name (Original language)</strong>', array('@language_name' => $language_name));
+            $source_name = $this->t('n/a');
           }
           else {
-            $source_name = isset($languages[$source]) ? $languages[$source]->name : t('n/a');
+            $source_name = isset($languages[$source]) ? $languages[$source]->name : $this->t('n/a');
             if ($controller->getTranslationAccess($entity, 'delete')) {
               $links['delete'] = isset($delete_links->links[$langcode]['href']) ? $delete_links->links[$langcode] : array('href' => $delete_links, 'language' => $language);
-              $links['delete']['title'] = t('Delete');
+              $links['delete']['title'] = $this->t('Delete');
             }
           }
         }
         else {
           // No such translation in the set yet: help user to create it.
-          $row_title = $source_name = t('n/a');
+          $row_title = $source_name = $this->t('n/a');
           $source = $entity->language()->id;
 
           if ($source != $langcode && $controller->getTranslationAccess($entity, 'create')) {
             if ($translatable) {
               $links['add'] = isset($add_links->links[$langcode]['href']) ? $add_links->links[$langcode] : array('href' => $add_path, 'language' => $language);
-              $links['add']['title'] = t('Add');
+              $links['add']['title'] = $this->t('Add');
             }
             elseif ($administrator) {
-              $links['nofields'] = array('title' => t('No translatable fields'), 'route_name' => 'language.content_settings_page', 'language' => $language);
+              $links['nofields'] = array('title' => $this->t('No translatable fields'), 'route_name' => 'language.content_settings_page', 'language' => $language);
             }
           }
 
-          $status = t('Not translated');
+          $status = $this->t('Not translated');
         }
 
         $rows[] = array($language_name, $row_title, $source_name, $status, $operations);
       }
     }
 
-    $build['#title'] = t('Translations of %label', array('%label' => $entity->label()));
+    $build['#title'] = $this->t('Translations of %label', array('%label' => $entity->label()));
 
     // Add metadata to the build render array to let other modules know about
     // which entity this is.